Enter your search criteria. If you want to check that your search worked correctly, see what emails show up by clicking Search .

At the bottom of the search window, click Create filter with this search.

Choose what you’d like the filter to do.

Click Create filter.

Note: When you create a filter to forward messages, only new messages will be affected. ​Additionally, when someone replies to a message you've filtered, the reply will only be filtered if it meets the same search criteria.